Companies: 10,795·Total market cap: $144.5T
Hallador Energy Company

Hallador Energy Company

HNRGNASDAQEnergy● Active
$16.92
+$0.26(+1.56%)
Market Cap$797446233
P/E Ratio
52W High$24.7
52W Low$14.42
SEC Filings

Hallador Energy Company (HNRG) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000788965 · HNRG · NASDAQ · as of Jun 10, 2026

Filing snapshot

865
Total Filings
8-K
Latest Form
2026-06-05
Most Recent
1994
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0000788965 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2026-03-12
Fiscal Year End
Mar 12, 2026
Accession No.
0001104659-26-027174
Primary Document
hnrg-20251231x10k.htm
Source: data.sec.gov · CIK 0000788965 · Accession 0001104659-26-027174

Latest Key Filings

10-QQuarterly Report
10-Q
2026-05-06
8-KCurrent Report
8-K
2026-06-05Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
8-KCurrent Report
8-K
2026-06-05
View
8-KCurrent Report
8-K
2026-06-03
View
8-KCurrent Report
8-K
2026-06-02
View
8-KCurrent Report
8-K
2026-05-29
View
10-QQuarterly Report
10-Q
2026-05-06
View
8-KCurrent Report
8-K
2026-05-06
View
8-KCurrent Report
8-K
2026-05-06
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-04-27
View
DEFA14AProxy Statement (Additional)
DEFA14A
2026-04-15
View
DEF 14AProxy Statement
DEF 14A
2026-04-15
View
8-KCurrent Report
8-K
2026-04-15
View
8-KCurrent Report
8-K
2026-03-27
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-26
View
3Initial Statement of Beneficial Ownership
Initial Statement of Beneficial Ownership
2026-03-25
View
8-KCurrent Report
8-K
2026-03-12
View
Showing 1–15 of 509 filingsForm 4 / 144 hidden· 865 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000788965  |  Exchange: NASDAQ · Energy

Hallador Energy Company (NASDAQ: HNRG) has submitted 865 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1994. As a Energy sector company with CIK 0000788965, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Hallador Energy Company's most comprehensive regulatory disclosure. The most recent Hallador Energy Company 10-K was filed on 2026-03-12 for fiscal year ending 2026. Historical HNRG 10-K annual reports are available from 1995 through 2026.

Investors researching Hallador Energy Company SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-10

Frequently Asked Questions

HNRG SEC Filings · 8 questions

Hallador Energy Company (HNRG) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 865 filings and access original documents at no cost. Hallador Energy Company's CIK is 0000788965.

HNRG SEC filingsHallador Energy Company SEC documentsfind HNRG 10-K